<!DOCTYPE html>
<html lang="en">
<head>
<style type="text/css">
    body,
    html {
    margin:1;
    padding:0;
    color:#000;
    background:#a7a09a;
    }
    #header {
    padding:15px 10px;
    background:#ddd;
    }
    h1 {
    margin:0;
    }
    #nav {
    padding:5px 10px;
    background:#c99;
    }
    #main {
    float:left;
    width:480px;
    padding:10px;
    background:#9c9;
    }
    h2 {
    margin:0 0 1em;
    }
    #sidebar {
    float:right;
    width:230px;
    padding:10px;
    background:#99c;
    }
    #footer {
    clear:both;
    padding:5px 10px;
    background:#cc9;
    }
    #footer p {
    margin:0;
    }
</style>

</head>
<body>
	<div id="wrap">
    <div id="header"><h1>Document Heading</h1></div>
    <div id="nav">
    <ul>
    <li><a href="#">Option 1</a></li>
    <li><a href="#">Option 2</a></li>
    ...
    </ul>
    </div>
    <div id="main">
    <h2>Column 1</h2>
    <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit...</p>
    </div>
    <div id="sidebar">
    <h2>Column 2</h2>
    <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit...</p>
    <ul>
    <li><a href="#">Link 1</a></li>
    <li><a href="#">Link 2</a></li>
    ...
    </ul>
    </div>
    <div id="footer">
    <p>Footer</p>
    </div>
    </div>
</body>
</html>